US2797575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential temperature autoclave
Assignee: Standard Oil Co
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Filing: 1955-12-29
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Granted: 1957-07-02
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Expires: 1975-12-29
Abstract
No abstract record available.
Inventors
- 👤 Leonard B Sand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:07
CPC Classifications
B; B01; B01J; B01J3/00; B01J3/04; G; G01; G01N; G01N25/00; G01N25/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
AN APPARATUS FOR OBTAINING DIFFERENTIAL THERMAL DATA UNDER HIGH PRESSURES OF FLUIDS WHICH COMPRISES IN COMBINATION AN AUTOCIAVE BODY HAVING A CYLINDRICAL CHAMBER FORMED THEREIN AND EXTENDING LONGITUDINALLY OF SAID BODY THERE BEING A THREADED ENTRANCE TO SAID CHAMBER, SAMPLE BLOCK MEANS INCLUDING AN EXTERNALLY THREADED BODY ADAPTED TO ENGAGE THE TREADS ON SAID AUTOCLAVE BODY, AND A LONGITUDINALL EXTENDING SHANK MEANS WHICH IS SUBSTANTIALLY CYLINDRICAL IN CROSS SECTION AND ADAPTED TO BE
References Cited (Backward Citations)
US2705417A
Cited
FR1094868A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |